CN201326167Y

CN201326167Y - Free double-sided reverse slap door

Info

Publication number: CN201326167Y
Application number: CNU2008201710794U
Authority: CN
Inventors: 应建国; 翟松茂; 李全民
Original assignee: NINGBO JUSHEN PUMPS INDUSTRY Co Ltd
Current assignee: NINGBO JUSHEN PUMPS INDUSTRY Co Ltd
Priority date: 2008-12-15
Filing date: 2008-12-15
Publication date: 2009-10-14
Anticipated expiration: 2018-12-15

Abstract

The utility model discloses a jet-type free double-sided reverse slap door comprising a door leaf (1), a door seat (2) and a hinge component (3), wherein the door leaf (1) and the door seat (2) are connected through the hinge component (3), the middle portion of the door seat (2) is provided with a vertical beam (21), and the door leaf (1) is designed into two sides, and is designed into a circular arc surface, and the convex surface of the circular arc surface of the door leaf (1) is towards inside, and the depression surface of the circular arc surface is towards outside, when a slap door is opened, water pressure for starting the slap door is relatively smaller, and when water pressure pushes the slap door, water current is sprayed out from the double-sided slap door as a steam of urgent gushing, and when water passes through the slap door, the state of the water current is in a streamline shape, and water vortex loss does not exist, and water outlet pressure loss is little, thereby lowering the power consumption of a motor, improving working efficiency, and lowering production cost.

Description

Free two-side turning door

Technical field:

The utility model relates to the equipment that a kind of irrigation and drainage pumping station dams when water pump is shut down, specifically be a kind of free two-side turning door.

Background technology:

Flap valve is used for the equipment that irrigation and drainage pumping station dams when water pump is shut down, flow backwards to stop outer river.Flap valve at present commonly used has the counterweight of extension cast iron flap valve, buoyancy tank flap valve, the free flap valve of turning on one's side.The flap valve of freely turning on one's side has two kinds of different frame modes again, a kind of is slabbed construction, be made up of door leaf, gate seat and hinge, door leaf is the planar junction configuration, this flap valve of freely turning on one's side, its current fluidised form when moving into one's husband's household upon marriage is better, hydraulic loss is less, and another kind is the circular arc face-type structural, and door leaf is set to arc surface, but arc surface is outwardly, i.e. river face outward.This inner cylinder face structural type flap valve intensity of freely turning on one's side is good.The gate seat and the door leaf of these two kinds of flap valves are generally foundry goods.Flap valve is a kind of novel flap valve that recent development is come out owing to freely turn on one's side, and technology is perfect not enough at present, and have the following disadvantages: slabbed construction formula flap valve is a foundry goods, relatively heavier, door leaf is heavier, influences the application life of hinge component, is unfavorable for the making of large-scale flap valve; The circular arc face-type structural is outwardly because of its arc surface, has two eddy current losses at left and right sides door leaf recess, and the fluidised form of moving into one's husband's household upon marriage of water is bad, and the hydraulic loss of flap valve is bigger.

Moreover a stainless steel rotating shaft is adopted in the rotating shaft of above-mentioned two kinds of flap valves of freely turning on one's side, and is serially connected in the upper and lower two knot hinge pages or leaves of door leaf and gate seat, and this structure makes that the hinge through frictional resistance is big, and door leaf rotates dumb, the waste kinetic hydraulic energy.

In addition, above-mentioned two kinds of flap valves of freely turning on one's side, the sealing between its flap valve and the gate seat adopts " O " type rubber ring to seal more, and its sealing principle is by door leaf " O " type circle to be produced pressure, makes the distortion of " O " type circle, thereby reaches sealing effectiveness.Because the decrement of " O " type circle is limited, sealing effectiveness is relatively poor for large-scale flap valve.Above-mentioned factor has all influenced the large scale development of flap valve.

The utility model content:

The technical problems to be solved in the utility model is that its current attitude was streamlined when a kind of water was provided through flap valve, did not have eddy current loss, the free two-side turning door that the hydraulic loss of flap valve is little.

Technical solution of the present utility model is that a kind of free two-side turning door with following structure is provided.

A kind of free two-side turning door, comprise door leaf, gate seat and hinge component, door leaf connects by hinge component with gate seat, it is characterized in that: be provided with a vertical beam in the middle of the described gate seat, described door leaf is set to arc surface, the projecting surface of the arc surface of described door leaf is towards interior, the concave face of described arc surface outward, the door leaf of described arc surface type is set to bilateral.

After adopting above structure, compared with prior art, the utility model injecting type place is had the following advantages by two-side turning door:

Because the utility model free two-side turning door is the steel work flap valve.Simple in structure, intensity is good, and is easy to make, helps the large scale development of flap valve.Door leaf is arranged to arc surface, and the projecting surface of arc surface is towards interior, and the concave face of arc surface outward, in the time will opening flap valve, the water pressure of required startup flap valve is less relatively, when hydraulic pressure is pushed flap valve open, current gush from the bilateral flap valve just as one is anxious and eject, this structure, its current attitude is streamlined during water process flap valve, does not have the water turbulence loss, the discharge pressure loss is little, thereby reduced power of motor consumption, increased work efficiency, reduced cost.

As improvement, also be provided with a thrust bearing and a roller bearing on the described hinge component.This structure is born axial force by thrust bearing, the main bearing radial force of roller bearing, and hinge through frictional force is little, and door leaf rotates flexibly, and intensity is good, and long service life is for the large scale development of flap valve is laid a good foundation.

As improvement, vertical beam and the contacted one side of door leaf in the middle of described gate seat and the gate seat are provided with Y type caulking gum.This structure, outer river pressure promotes the front that the door leaf masterpiece is used in Y type caulking gum, and outer river also acts directly on the back side of Y type caulking gum simultaneously, and two power act on the positive and negative two sides of Y type caulking gum simultaneously, make door leaf tightly be pressed on the gate seat its good sealing effect.

Description of drawings:

Fig. 1 is the utility model free two-side turning door schematic diagram;

Fig. 2 is the utility model free two-side turning door schematic top plan view;

Fig. 3 is a sealed structural representation between door leaf in the utility model free two-side turning door and the gate seat;

Fig. 4 is the utility model free two-side turning door hinge assembly structure schematic diagram;

Streamflow regime schematic diagram when Fig. 5 opens for the utility model free two-side turning door.

Shown in the figure: 1, door leaf, 2, gate seat, 21, vertical beam, 3, hinge component, 31, upper hinge, 32, hinge down, 33, door leaf hinge page or leaf, 34, gate seat hinge page or leaf, 35, rotating shaft, 36, thrust bearing, 37, roller bearing, 4, Y type caulking gum.

The specific embodiment:

Below in conjunction with the drawings and specific embodiments the utility model free two-side turning door is described further:

Fig. 1, shown in Figure 2, a kind of free two-side turning door, comprise door leaf 1, gate seat 2 and hinge component 3, door leaf 1 connects by hinge component 3 with gate seat 2, be provided with a vertical beam 21 in the middle of the described gate seat 2, described door leaf 1 is set to bilateral, described door leaf 1 is set to arc surface, the projecting surface of the arc surface of described door leaf 1 is towards interior, the concave face of described arc surface outward, in the time will opening flap valve, the water pressure of required startup flap valve is less relatively, when hydraulic pressure was pushed flap valve open, current gushed from the bilateral flap valve just as one is anxious and eject, and see shown in Figure 5.This structure, its current attitude is streamlined during water process flap valve, does not have the water turbulence loss, the discharge pressure loss is little, thereby has reduced power of motor consumption, increases work efficiency, and has reduced cost.

Shown in Figure 4, described hinge component 3 is made up of door leaf hinge page or leaf 33 and gate seat hinge page or leaf 34 and rotating shaft 35, and rotating shaft 35 is provided with a thrust bearing 36 and a roller bearing 37.This combining structure by a thrust bearing 36 and a roller bearing 37 is born axial force by thrust bearing 36, roller bearing 37 main bearing radial forces, and hinge through frictional force is little, rotates flexibly, and intensity is good, long service life.The left side door leaf is connected by upper and lower hinge 31,32 with gate seat 2 left frame beams, and the right side door leaf is connected by upper and lower hinge 31,32 with gate seat 2 right frame beams.The upper hinge page or leaf arm of left and right sides door leaf 1 and gate seat 2 is short slightly, and the following hinge page or leaf arm of the left and right sides is long slightly, and this weak point structure of long formula down that goes up makes door leaf when closing, and closes the door by a component of door leaf deadweight.

Shown in Figure 3, the vertical beam 21 in the middle of described gate seat and the gate seat is provided with Y type water shutoff rubber 4 with door leaf 1 contacted one side.This structure, outer river pressure promotes the front that door leaf 1 acts on Y type water shutoff rubber 4, and outer river also acts directly on the back side of Y type water shutoff rubber 4 simultaneously, and two power act on the positive and negative two sides of Y type water shutoff rubber 4 simultaneously, make door leaf 1 tightly be pressed on the gate seat 2 its good sealing effect.

During installation, the flap valve top is inside slightly, and promptly to the water pump direction, the flap valve bottom is outside slightly, and promptly to the river direction, like this, whole flap valve slopes inwardly slightly, and its angle of slope is about 10 °, adds the flap valve shaft axis to the both sides outer incline, and its angle of slope is about 5 °.This frame mode makes whole flap valve when closing, and closes the door by a component of door leaf deadweight.

Claims

1, a kind of free two-side turning door, comprise door leaf (1), gate seat (2) and hinge component (3), door leaf (1) connects by hinge component (3) with gate seat (2), be provided with a vertical beam (21) in the middle of the described gate seat (2), described door leaf (1) is set to bilateral, it is characterized in that: described door leaf (1) is set to arc surface, and the projecting surface of the arc surface of described door leaf (1) is towards interior, and the concave face of described arc surface outward.

2, free two-side turning door as claimed in claim 1 is characterized in that: also be provided with a thrust bearing (36) and a roller bearing (37) on the described hinge component (3).

3, free two-side turning door as claimed in claim 1 is characterized in that: the vertical beam (21) in the middle of described gate seat (2) and the gate seat is provided with Y type caulking gum (4) with the contacted one side of door leaf (1).